KCLs defined benefit pension plan had a plan asset of $300,000 on January 1, 2016. The pension discount rate for this year was 10%. During 2016 the plan paid $30,000 pension benefits. The actual return on the plan asset was $10,000. The contribution to the plan in 2016 was $40,000. The amount of the plan asset at December 31, 2016, was (in $) ? Enter answer without $ or comma, for example 150000, not $150,000 or 150,000